Apple and Google are reportedly cracking down on apps that are simply clones of recently-deleted mobile gaming phenomenon Flappy Bird. Judging by the weekend’s crop of new titles on the former’s App Store, though, there are gaps in the policy big enough for a few more to fly through.

The Verge reported on the crackdown, suggesting that several developers have had games rejected by Apple’s approvals team on the grounds that “your app name attempts to leverage a popular app”, while another was pulled from Android’s Google Play store for flouting rules on “irrelevant, misleading, or excessive keywords in apps descriptions, titles, or metadata”.

As crackdowns go, this one is currently looking rather lax, although it has been suggested that Apple and Google may be focusing their attention on games that risk fooling people into thinking they are the original Flappy Bird, or at least connected to it.

If Apple and Google are serious in their desire not to be overrun by Flappy Bird games, it may be Flappy Jam that gives them the most headaches, given that many of its developers are now looking to release the games they coded in a matter of days as part of the project.